We told you about the crane high over midtown, monday. As sandy began to roar through the streets. We're going to look at the latest here. Nearly 80 stories above storm-ravaged manhattan. Dangling precariously in hurricane-force winds. The arm of this 1,000 foot-high steel crane, into a back flip monday afternoon. The boom is moving back and forth and sideways. And that will stress the boom. And it will weaken it. Reporter: As sandy gains strength, gusts on the ground, clocked at 40 miles per hour. But those speeds can double near towering top floors. Turning this crane into a powerful projectile. Get on the sidewalks. Reporter: Taking no chances, police evacuated the seven surrounding blocks. Within the posh perimeter, a luxury hotel, where the austin family was among hundreds asked to walk to new accommodations. They're expecting us to walk ten blocks in a hurricane in the pouring rain with two young children. And the luggage. Reporter: This morning, that crane is still threatening businesses and homes. It will cost millions upon millions of dollars in damage.

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